Merge "Notifications where clipped incorrectly in the unlocked shade." into lmp-preview-dev

    private static final String CHILD_NOT_FOUND_TAG = "StackScrollStateNoSuchChild";

    private final ViewGroup mHostView;

    private final int mRoundedRectCornerRadius;

    private Map<ExpandableView, ViewState> mStateMap;

    private final Rect mClipRect = new Rect();

    public StackScrollState(ViewGroup hostView) {

        mHostView = hostView;

        mStateMap = new HashMap<ExpandableView, ViewState>();

        mRoundedRectCornerRadius = mHostView.getResources().getDimensionPixelSize(

                com.android.internal.R.dimen.notification_quantum_rounded_rect_radius);

    }

    public ViewGroup getHostView() {

                // apply clipping and shadow

                float newNotificationEnd = newYTranslation + newHeight;

                // In the unlocked shade we have to clip a little bit higher because of the rounded

                // corners of the notifications.

                float clippingCorrection = state.dimmed ? 0 : mRoundedRectCornerRadius;

                // When the previous notification is swiped, we don't clip the content to the

                // bottom of it.

                float clipHeight = previousNotificationIsSwiped

                        ? newHeight

                        : newNotificationEnd - (previousNotificationEnd);

                        : newNotificationEnd - (previousNotificationEnd - clippingCorrection);

                updateChildClippingAndBackground(child, newHeight,

                        clipHeight,